netdev - Re: [PATCH 1/3] ipv6: Select fragment id during UFO/GSO segmentation if not set.

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Message-ID: <1422441545.4678.33.camel@stressinduktion.org>
Date:	Wed, 28 Jan 2015 11:39:05 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	vyasevic@...hat.com, Ben Hutchings <ben@...adent.org.uk>,
	Vladislav Yasevich <vyasevich@...il.com>,
	netdev@...r.kernel.org, virtualization@...ts.linux-foundation.org,
	edumazet@...gle.com
Subject: Re: [PATCH 1/3] ipv6: Select fragment id during UFO/GSO
 segmentation if not set.

On Mi, 2015-01-28 at 11:34 +0100, Hannes Frederic Sowa wrote:
> 
> > And now it's even easier - just patch the hypervisor, and all VMs
> > automatically benefit.
> 
> Sometimes the hypervisor is not under my control. You would need to
> patch both kernels in your case - non gso frames would still get the
> fragmentation id generated in the host kernel.

Actually this now became my biggest concern. :/

Bye,
Hannes


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